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Income Taxes - (Tables)
 9 Months Ended
Sep. 30, 2014
Income Taxes [Abstract]  
Schedule of effective tax rate [Table Text Block]
The following table provides details of income taxes:


Three Months Ended
 
Nine Months Ended
 
September 30,
 
September 30,
 
2014

2013
 
2014
 
2013
Income (loss) before income taxes
$
2,835

 
$
37

 
$
(9,201
)
 
$
1,114

Provision (benefit) for income taxes
$
3,833

 
$
(215
)
 
$
(3,067
)
 
$
(290
)
Effective tax rate
135.2
%
 
(581.1
)%
 
33.3
%
 
(26.0
)%